.mtable{
    border-collapse: collapse;
    width: 900px;
    td{
        border:1px solid #ccc;
        padding:10px;
        text-align: center;
        font-family: '宋体';
        .avatar{
           width: 80px;
           height: 80px;
           border-radius: 50%;
        }
     }
}
